Honeywell ST9103A1002 Replacement Electronic Fan Timer for Oil Furnace - Compatible with Heating Systems, HVAC Maintenance & Home Repair - Perfect for Furnace Fan Control & Energy Efficiency

A single circuit board providing combustion air Blower control, two speed circulating air Blower control, oil primary control, limit circuit inputs, thermostat wiring terminations, & a central appliance wiring point for an oil fixed furnace. Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.

Central Appliance Wiring Point Simplifies Service

Oil Burner Primary Control

Fixed Or Field-Adjustable Heat Fan On Delay

Brand Name Honeywell